How does KFC link to stamps???
Through the advertisement booklet!
This time, Pos Malaysia released a KFC branded stamp booklet with an announcement on Facebook on 22 January 2018.
The booklet retails at RM 4.80 before GST. A KFC coupon is attached to the booklet. The booklet is currently on sale in the Kuala Lumpur GPO as well as on eziemall: https://www.eziemall.com/kfc-stamp-booklet. The list of post offices selling the booklet can be found in the Pos Malaysia official Facebook page filed under 22 January 2018 message.